Tax Year 2025

Federal Income Tax Estimator

Estimate your 2025 federal tax liability, see your effective rate, and find out if you'll get a refund or owe money at filing.

Filing Information
Income
$
Total wages before any deductions
$
Self-employment, dividends, rental income
Pre-Tax Deductions (Reduce Taxable Income)
$
2025 limit: $23,500 (401k), $7,000 (IRA)
$
2025 limit: $4,300 (self), $8,550 (family)
Deductions
$
Mortgage interest, charitable donations, state taxes, etc.
$
Child Tax Credit ($2,000/child), EIC, education credits
Withholding
$
Found in Box 2 of your W-2 form
ESTIMATED REFUND
$2,156
Based on withholding vs. tax liability
💰
Total Tax Owed
$10,294
federal liability
Effective Rate
13.7%
avg rate on all income
Marginal Rate
22%
rate on last dollar
Tax Calculation Breakdown
Tax Bracket Breakdown
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How to Use This Tax Estimator

Select your filing status and enter your total gross wages from your W-2. Add any other income sources like freelance work or investment income. Enter pre-tax deductions like 401(k) contributions — these directly reduce your taxable income and can lower your bracket. If your itemized deductions exceed the standard deduction, enter them; otherwise leave that field at zero and the standard deduction applies automatically.

Enter your federal tax withheld from Box 2 of your W-2. The calculator will compare your estimated tax liability against what's been withheld and tell you whether to expect a refund or a balance due at filing.

2025 Standard Deductions

The standard deduction for 2025 is $15,000 for single filers, $30,000 for married filing jointly, and $22,500 for head of household. About 90% of taxpayers take the standard deduction because it exceeds their itemizable expenses. You should only itemize if your eligible deductions (mortgage interest, state taxes up to $10,000, charitable giving, etc.) exceed your standard deduction amount.

How Tax Brackets Work

The US uses a progressive tax system — you don't pay your top bracket rate on all your income. Each bracket rate applies only to income within that range. If you're a single filer with $75,000 in taxable income, you pay 10% on the first $11,925, 12% on income from $11,926–$48,475, and 22% only on income from $48,476–$75,000. Your effective rate (what you actually pay on average) is always lower than your marginal rate (your highest bracket).

Frequently Asked Questions

What are the 2025 federal income tax brackets?
For single filers: 10% up to $11,925 · 12% up to $48,475 · 22% up to $103,350 · 24% up to $197,300 · 32% up to $250,525 · 35% up to $626,350 · 37% above $626,350. Married filing jointly brackets are approximately double these thresholds.
What is the standard deduction for 2025?
$15,000 for single filers, $30,000 for married filing jointly, $22,500 for head of household. Most taxpayers take the standard deduction rather than itemizing.
What is the difference between effective and marginal tax rate?
Your marginal rate is the rate on your last dollar of income (your highest bracket). Your effective rate is total tax ÷ total income — your true average rate. Due to progressive brackets, your effective rate is always lower than your marginal rate.
How can I reduce my taxable income?
Contribute to a 401(k) or traditional IRA (pre-tax dollars reduce taxable income dollar-for-dollar), contribute to an HSA, claim eligible itemized deductions, and use tax credits like the Child Tax Credit or Earned Income Credit.
Why might I owe taxes even though my employer withholds each paycheck?
Your withholding may not match your liability if you have multiple jobs, significant investment income, freelance income, or claimed too many allowances on your W-4. This estimator helps you identify a mismatch so you can adjust your W-4.